From: Hanjun Guo <guohanjun@huawei.com>
To: Marc Zyngier <marc.zyngier@arm.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: <linux-acpi@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Greg KH <gregkh@linuxfoundation.org>,
Tomasz Nowicki <tn@semihalf.com>, Ma Jun <majun258@huawei.com>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
"Agustin Vega-Frias" <agustinv@codeaurora.org>,
Sinan Kaya <okaya@codeaurora.org>,
Charles Garcia-Tobin <charles.garcia-tobin@arm.com>,
<huxinwei@huawei.com>, <yimin@huawei.com>, <linuxarm@huawei.com>,
<jcm@redhat.com>, Hanjun Guo <hanjun.guo@linaro.org>
Subject: [PATCH v5 13/14] irqchip: mbigen: introduce mbigen_of_create_domain()
Date: Thu, 22 Dec 2016 13:35:21 +0800 [thread overview]
Message-ID: <1482384922-21507-14-git-send-email-guohanjun@huawei.com> (raw)
In-Reply-To: <1482384922-21507-1-git-send-email-guohanjun@huawei.com>
From: Kefeng Wang <wangkefeng.wang@huawei.com>
Introduce mbigen_of_create_domain() to consolidate OF related
code and prepare for ACPI later, no funtional change.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ma Jun <majun258@huawei.com>
---
drivers/irqchip/irq-mbigen.c | 42 +++++++++++++++++++++++++++---------------
1 file changed, 27 insertions(+), 15 deletions(-)
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c
index c01ab41..4e11da5 100644
--- a/drivers/irqchip/irq-mbigen.c
+++ b/drivers/irqchip/irq-mbigen.c
@@ -236,27 +236,15 @@ static int mbigen_irq_domain_alloc(struct irq_domain *domain,
.free = irq_domain_free_irqs_common,
};
-static int mbigen_device_probe(struct platform_device *pdev)
+static int mbigen_of_create_domain(struct platform_device *pdev,
+ struct mbigen_device *mgn_chip)
{
- struct mbigen_device *mgn_chip;
+ struct device *parent;
struct platform_device *child;
struct irq_domain *domain;
struct device_node *np;
- struct device *parent;
- struct resource *res;
u32 num_pins;
- mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL);
- if (!mgn_chip)
- return -ENOMEM;
-
- mgn_chip->pdev = pdev;
-
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- mgn_chip->base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(mgn_chip->base))
- return PTR_ERR(mgn_chip->base);
-
for_each_child_of_node(pdev->dev.of_node, np) {
if (!of_property_read_bool(np, "interrupt-controller"))
continue;
@@ -280,6 +268,30 @@ static int mbigen_device_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ return 0;
+}
+
+static int mbigen_device_probe(struct platform_device *pdev)
+{
+ struct mbigen_device *mgn_chip;
+ struct resource *res;
+ int err;
+
+ mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL);
+ if (!mgn_chip)
+ return -ENOMEM;
+
+ mgn_chip->pdev = pdev;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ mgn_chip->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+ if (IS_ERR(mgn_chip->base))
+ return PTR_ERR(mgn_chip->base);
+
+ err = mbigen_of_create_domain(pdev, mgn_chip);
+ if (err)
+ return err;
+
platform_set_drvdata(pdev, mgn_chip);
return 0;
}
--
1.7.12.4
next prev parent reply other threads:[~2016-12-22 5:42 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-22 5:35 [PATCH v5 00/14] ACPI platform MSI support and its example mbigen Hanjun Guo
2016-12-22 5:35 ` [PATCH v5 01/14] ACPI: ARM64: IORT: minor cleanup for iort_match_node_callback() Hanjun Guo
2016-12-30 8:56 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 02/14] irqchip: gic-v3-its: keep the head file include in alphabetic order Hanjun Guo
2016-12-30 8:56 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 03/14] ACPI: ARM64: IORT: add missing comment for iort_dev_find_its_id() Hanjun Guo
2016-12-30 8:56 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 04/14] irqchip: gicv3-its: platform-msi: refactor its_pmsi_prepare() Hanjun Guo
2016-12-30 8:57 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 05/14] ACPI: platform-msi: retrieve dev id from IORT Hanjun Guo
2016-12-30 8:57 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 06/14] irqchip: gicv3-its: platform-msi: refactor its_pmsi_init() to prepare for ACPI Hanjun Guo
2016-12-30 8:57 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 07/14] irqchip: gicv3-its: platform-msi: scan MADT to create platform msi domain Hanjun Guo
2016-12-30 8:57 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 08/14] ACPI: ARM64: IORT: rework iort_node_get_id() Hanjun Guo
2016-12-30 9:00 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 09/14] ACPI: platform: setup MSI domain for ACPI based platform device Hanjun Guo
2016-12-22 12:57 ` Rafael J. Wysocki
2016-12-24 7:34 ` Hanjun Guo
2016-12-26 0:31 ` Rafael J. Wysocki
2016-12-26 1:31 ` Hanjun Guo
2016-12-29 14:44 ` Sinan Kaya
2016-12-30 10:40 ` Hanjun Guo
2016-12-30 10:50 ` Hanjun Guo
2016-12-31 20:45 ` Rafael J. Wysocki
2017-01-02 12:02 ` Hanjun Guo
2016-12-30 8:58 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 10/14] ACPI: ARM64: IORT: rework iort_node_get_id() for NC->SMMU->ITS case Hanjun Guo
2016-12-30 8:58 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 11/14] msi: platform: make platform_msi_create_device_domain() ACPI aware Hanjun Guo
2016-12-30 8:58 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 12/14] irqchip: mbigen: drop module owner Hanjun Guo
2016-12-26 8:59 ` majun (Euler7)
2016-12-30 8:58 ` Xinwei Kong
2016-12-22 5:35 ` Hanjun Guo [this message]
2016-12-26 8:59 ` [PATCH v5 13/14] irqchip: mbigen: introduce mbigen_of_create_domain() majun (Euler7)
2016-12-30 8:59 ` Xinwei Kong
2016-12-22 5:35 ` [PATCH v5 14/14] irqchip: mbigen: Add ACPI support Hanjun Guo
2016-12-26 9:00 ` majun (Euler7)
2016-12-30 8:59 ` Xinwei Kong
2016-12-26 8:57 ` [PATCH v5 00/14] ACPI platform MSI support and its example mbigen majun (Euler7)
2016-12-26 9:26 ` majun (Euler7)
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